Samarium

Atom properties
Content created by REAL intelligence since 2016



Radii


Van der Waals atomic radius (pm): 229 [10]
Empirical atomic radius (pm): 185 [10]
Covalent atomic radius (pm): 198(8) [10]
Ionic radius (Å): Sm(III): 0.958 (6-coordinate) [1]
Sm(II): 1.22 (7-coordinate) [1]


Electronegativity


Pauling Scale: 1.17 [10]
Allen Scale:


Electron binding forces


Electron Affinity (eV):
Ionization Energy (eV): 5.644 [10]


Electron configuration


Ground state: 1s2-2s2-2p6-3s2-3p6-3d10-4s2-4p6-4d10-4f6-5s2-5p6-6s2 [10]